Mathematics, 31.08.2020 03:01, Leonorareed5145
If Jackie were to paint her living room alone, it would take seven hours. Her sister Rachel could do the job in nine hours. How many hours would it take them working together?
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Mathematics, 21.06.2019 18:30, anishivaturi123
Select the lengths in centimeters that would form a right triangle
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If Jackie were to paint her living room alone, it would take seven hours. Her sister Rachel could do...
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